On January 1st 1968 - exactly 40 years ago this week - Jim Clark took his final Formula One victory, replacing Fangio on F1's all-time win list, in the South African Grand Prix. In a special three-part series of features, Michael Oliver talks to some of Clark's colleagues to find out what made the Scot so special

2007 was a good year for Formula One rookies, and while much of the attention was taken by Lewis Hamilton, young Sebastian Vettel managed to make a strong impression both with team owners and the fans. Adam Cooper caught up with the German for a look back at his roller coaster season